Posted by chuck on April 18, 1999 at 19:40:36:
In Reply to: Piston and Rotary valve problem posted by Tyrell on April 18, 1999 at 11:12:33:
if these are both new horns the valves might need to be lapped a little. sometimes factories will put horns out with the valves a little too tight. a good repair guy should be able to do this very quickly at little cost.
good luck!